# Python CircleCI 2.0 configuration file
#
# Check https://circleci.com/docs/2.0/language-python/ for more details
#
version: 2.0

references:

  install_deps: &install_deps
    run:
      name: Install Dependences
      command: |
        pip install "$TORCH_VERSION" --user
        pip install -r requirements.txt --user
        sudo pip install pytest pytest-cov pytest-flake8
        pip install -r ./tests/requirements.txt --user

  tests: &tests
   run:
     name: Testing
     command: |
       python --version ; pip --version ; pip list
       py.test pytorch_lightning tests -v --doctest-modules --junitxml=test-reports/pytest_junit.xml
     no_output_timeout: 15m

  examples: &examples
   run:
     name: PL Examples
     command: |
       pip install -r ./pl_examples/requirements.txt --user
       python --version ; pip --version ; pip list
       py.test pl_examples -v --doctest-modules --junitxml=test-reports/pytest_junit.xml
     no_output_timeout: 15m

  install_pkg: &install_pkg
    run:
      name: Install package
      command: |
        virtualenv vEnv ; source vEnv/bin/activate
        pip install --editable . ; cd .. & python -c "import pytorch_lightning ; print(pytorch_lightning.__version__)"
        deactivate ; rm -rf vEnv

  create_pkg: &create_pkg
    run:
      name: Create package
      command: |
        sudo pip install twine==1.13.0
        python setup.py sdist
        twine check dist/*
        python setup.py clean

  format: &format
   run:
     name: Formatting
     command: |
       python --version ; pip --version ; pip list
       flake8

  make_docs: &make_docs
   run:
     name: Make Documentation
     command: |
       # sudo apt-get install pandoc
       pip install -r requirements.txt --user
       sudo pip install -r docs/requirements.txt
       # sphinx-apidoc -o ./docs/source ./pytorch_lightning **/test_* --force --follow-links
       cd docs; make clean ; make html --debug --jobs 2 SPHINXOPTS="-W"

jobs:

  Build-Docs:
    docker:
      - image: circleci/python:3.7
    steps:
      - checkout
      - *make_docs

  Formatting:
    docker:
      - image: circleci/python:3.7
    environment:
        - TORCH_VERSION: "torch"
    steps:
      - checkout
      - *install_deps
      - *format

  PyTorch:
    docker:
      - image: circleci/python:3.7
    environment:
      - TORCH_VERSION: "torch"
    steps: &steps
      - checkout
      - *install_deps
      - *tests
      - store_test_results:
          path: test-reports
      - store_artifacts:
          path: test-reports

  PyTorch-v1.1:
    docker:
      - image: circleci/python:3.6
    environment:
      - TORCH_VERSION: "torch>=1.1, <1.2"
    steps: *steps

  PyTorch-v1.2:
    docker:
      - image: circleci/python:3.6
    environment:
      - TORCH_VERSION: "torch>=1.2, <1.3"
    steps: *steps

  PyTorch-v1.3:
    docker:
      - image: circleci/python:3.6
    environment:
      - TORCH_VERSION: "torch>=1.3, <1.4"
    steps: *steps

  PyTorch-v1.4:
    docker:
      - image: circleci/python:3.6
    environment:
      - TORCH_VERSION: "torch>=1.4, <1.5"
    steps: *steps

  Examples:
    docker:
      - image: circleci/python:3.7
    environment:
        - TORCH_VERSION: "torch"
    steps:
      - checkout
      - *install_deps
      - *examples

  Install-pkg:
    docker:
      - image: circleci/python:3.7
    steps:
      - checkout
      - *create_pkg
      - *install_pkg


workflows:
  version: 2
  build:
    jobs:
      - Formatting
      - Build-Docs
      - PyTorch-v1.1
      - PyTorch-v1.2
      - PyTorch-v1.3
      - PyTorch-v1.4
      - Install-pkg
      - Examples